lib/PublicInbox/IMAPsearchqp.pm | 6 +++---
 lib/PublicInbox/LeiOverview.pm  | 2 +-
 lib/PublicInbox/Search.pm       | 2 +-
 t/imap_searchqp.t               | 6 +++---

diff --git a/lib/PublicInbox/IMAPsearchqp.pm b/lib/PublicInbox/IMAPsearchqp.pm
index 78d9a20613726f1cb59df00176b24057f714c675..2fb92bb8eaf0c5f1f0cf57be37daae2bf9827146 100644
--- a/lib/PublicInbox/IMAPsearchqp.pm
+++ b/lib/PublicInbox/IMAPsearchqp.pm
@@ -124,7 +124,7 @@ sub ON {
 	my ($self, $item) = @_;
 	my $ts = yyyymmdd($item);
 	my $end = $ts + 86399; # no leap day
-	push @{$self->{xap}}, "ts:$ts..$end";
+	push @{$self->{xap}}, "rt:$ts..$end";
 	my $sql = $self->{sql} or return 1;
 	$$sql .= " AND ts >= $ts AND ts <= $end";
 }
@@ -132,7 +132,7 @@
 sub BEFORE {
 	my ($self, $item) = @_;
 	my $ts = yyyymmdd($item);
-	push @{$self->{xap}}, "ts:..$ts";
+	push @{$self->{xap}}, "rt:..$ts";
 	my $sql = $self->{sql} or return 1;
 	$$sql .= " AND ts <= $ts";
 }
@@ -140,7 +140,7 @@
 sub SINCE {
 	my ($self, $item) = @_;
 	my $ts = yyyymmdd($item);
-	push @{$self->{xap}}, "ts:$ts..";
+	push @{$self->{xap}}, "rt:$ts..";
 	my $sql = $self->{sql} or return 1;
 	$$sql .= " AND ts >= $ts";
 }
diff --git a/lib/PublicInbox/LeiOverview.pm b/lib/PublicInbox/LeiOverview.pm
index 194c5e28aad8b07de799d15a6d667916cb089cab..080fe837bdadde2faeab1601a4c501c70c044d8c 100644
--- a/lib/PublicInbox/LeiOverview.pm
+++ b/lib/PublicInbox/LeiOverview.pm
@@ -86,7 +86,7 @@ sub _unbless_smsg {
 	my ($smsg, $mitem) = @_;
 
 	delete @$smsg{qw(lines bytes num tid)};
-	$smsg->{rcvd} = _iso8601(delete $smsg->{ts}); # JMAP receivedAt
+	$smsg->{rt} = _iso8601(delete $smsg->{ts}); # JMAP receivedAt
 	$smsg->{dt} = _iso8601(delete $smsg->{ds}); # JMAP UTCDate
 	$smsg->{relevance} = get_pct($mitem) if $mitem;
 
diff --git a/lib/PublicInbox/Search.pm b/lib/PublicInbox/Search.pm
index 7f68ee0122a8d5754d845ba97ee3559cd4600bfb..a4b40f94976b9c8897a322e032637d115d6dd923 100644
--- a/lib/PublicInbox/Search.pm
+++ b/lib/PublicInbox/Search.pm
@@ -376,7 +376,7 @@ 	$cb->($qp, $NVRP->new(DT, 'dt:'));
 
 	# for IMAP, undocumented for WWW and may be split off go away
 	$cb->($qp, $NVRP->new(BYTES, 'bytes:'));
-	$cb->($qp, $NVRP->new(TS, 'ts:'));
+	$cb->($qp, $NVRP->new(TS, 'rt:'));
 	$cb->($qp, $NVRP->new(UID, 'uid:'));
 
 	while (my ($name, $prefix) = each %bool_pfx_external) {
diff --git a/t/imap_searchqp.t b/t/imap_searchqp.t
index 049fd68084fadd0628132f919ca9fd944572ae43..6b4121ea91a876db331f584575b76595ba876593 100644
--- a/t/imap_searchqp.t
+++ b/t/imap_searchqp.t
@@ -76,17 +76,17 @@
 	$q = $parse->($s = qq{BEFORE 2-Oct-1993});
 	is_deeply($q->{sql}, \" AND ts <= $t0", 'BEFORE SQL');
 	$q = $parse->("FROM z $s");
-	is($q->{xap}, qq{f:"z" ts:..$t0}, 'BEFORE Xapian');
+	is($q->{xap}, qq{f:"z" rt:..$t0}, 'BEFORE Xapian');
 
 	$q = $parse->($s = qq{SINCE 2-Oct-1993});
 	is_deeply($q->{sql}, \" AND ts >= $t0", 'SINCE SQL');
 	$q = $parse->("FROM z $s");
-	is($q->{xap}, qq{f:"z" ts:$t0..}, 'SINCE Xapian');
+	is($q->{xap}, qq{f:"z" rt:$t0..}, 'SINCE Xapian');
 
 	$q = $parse->($s = qq{ON 2-Oct-1993});
 	is_deeply($q->{sql}, \" AND ts >= $t0 AND ts <= $t1", 'ON SQL');
 	$q = $parse->("FROM z $s");
-	is($q->{xap}, qq{f:"z" ts:$t0..$t1}, 'ON Xapian');
+	is($q->{xap}, qq{f:"z" rt:$t0..$t1}, 'ON Xapian');
 }
 
 {